---
title: "Update the text for a Feature Studio element."
method: POST
path: "/featurestudios/d/{did}/{wvm}/{wvmid}/e/{eid}"
tags: ["FeatureStudio"]
---

# Update the text for a Feature Studio element.

`POST /featurestudios/d/{did}/{wvm}/{wvmid}/e/{eid}`

## Request

- Base URL: `https://api.onshape.com/api/v17`
- URL: `https://api.onshape.com/api/v17/featurestudios/d/{did}/{wvm}/{wvmid}/e/{eid}`
- Auth: OAuth 2 and HTTP basic
  - Authorization code: `/oauth/authorize`
  - Token URL: `/oauth/token` scopes: `OAuth2Write`

## Path parameters

- `did` string, required
- `wvm` string, required
- `wvmid` string, required
- `eid` string, required

## Request body

- BTFeatureStudioContents2239
  - `btType` string: Type of JSON object.
  - `libraryVersion` integer: FeatureScript version used in the Part Studio. Do not modify.
  - `microversionSkew` boolean: On output, `true` indicates a microversion mismatch was encountered.
  - `rejectMicroversionSkew` boolean: If `true`, the call will refuse to make the addition if the current microversion for the document does not match the source microversion. If `false`, a best-effort attempt is made to re-interpret the feature addition in the context of a newer document microversion.
  - `serializationVersion` string: Version of the structure serialization rules used to encode the output. This enables incompatibility detection during software updates.
  - `sourceMicroversion` string: The state from which the result was extracted. Geometry ID interpretation is dependent on this document microversion.
  - `contents` string

## Response `default`

default response

## Changes

- **2026-09-19** `c16acb88e3ea`: 2 info
  - added `BTDeleteFeaturesCall-1432` discriminator mapping keys to the `allOf[#/components/schemas/BTFeatureApiBase-1430]/` request property
  - added `BTDeleteFeaturesCall-1432` discriminator mapping keys to the `allOf[#/components/schemas/BTFeatureApiBase-1430]/` response property for the response status `default`

[Operation history](https://skmtc.dev/onshape/apis/onshape-rest-api/changes/featurestudios/d/:did/:wvm/:wvmid/e/:eid/post.md)

---

[API](https://skmtc.dev/onshape/apis/onshape-rest-api.md) - [All operations](https://skmtc.dev/onshape/apis/onshape-rest-api/llms.txt) - [OpenAPI document](https://skmtc.dev/onshape/apis/onshape-rest-api/revisions/c5c4c780f831?raw)
